Home / 126,025.68-189,012.48-59,437.20

Finding the Fourth Proportional to 126,025.68, 189,012.48 and 59,437.20

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Solution

The fourth proportional to 126,025.68, 189,012.48 and 59,437.20 is: 89,143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,025.68 : 189,012.48 = 59,437.20 : x
  2. Step 2: Convert to fraction form
    126,025.68/189,012.48 = 59,437.20/x
  3. Step 3: Cross multiply
    126,025.68x = 189,012.48 × 59,437.20
  4. Step 4: Simplify right side
    126,025.68x = 11,234,372,576.26
  5. Step 5: Solve for x
    x = 11,234,372,576.26/126,025.68
  6. Step 6: Final answer
    x = 89,143.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.